embedder-coop-coep-blocked.https.html

<!DOCTYPE html>
<title>Test COOP/COEP properties set for a Fenced Frame Tree</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>

<body>
<script>
promise_test(async(t) => {
  const fencedframe = attachFencedFrameContext();
  const fencedframe_loaded = fencedframe.execute(() => {});
  const fencedframe_blocked = new Promise(r => t.step_timeout(r, 1000));
  assert_equals("blocked", await Promise.any([
    fencedframe_blocked.then(() => "blocked"),
    fencedframe_loaded.then(() => "loaded"),
  ]), "fenced frame should not be loaded.");
}, 'Create a fencedframe without COEP from an embedder setting COEP');
</script>
</body>

chromium/third_party/blink/web_tests/external/wpt/fenced-frame/embedder-coop-coep-blocked.https.html